Efficacy of the echOpen Device to Detect Pyelocaliceal Dilation and Hepatic Steatosis (CLIN-ECHO-II)

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  • sponsor
    Assistance Publique - Hôpitaux de Paris
Updated on 28 January 2023


In recent years, portable and ultra-portable ultrasound devices are increasingly used by the non radiologists, notably cardiologists or obstetrician gynecologist, at the patient's bedside to visualize and measure anatomical structures and fluid and provide the clinical examination with additional signs allowing quicker and more confident clinical decisions.

This innovative approach is slowed down by the accessibility of these miniaturized devices, the price of which remains high.

The echOpen device includes an ultra-portable ultrasound probe and a mobile application that allows the image to be displayed on a smartphone via a WIFI protocol.

The objective of the clinical investigation is to show that the echOpen device, using three frequencies 3.5 Mhz, 5.0 Mhz and 7.5 Mhz, allows identifying the semiological signs or anatomical structures of interest located at several depths of the body, with a performance similar to other devices routinely used in clinical departments.


The echOpen device includes an ultrasound probe and a mobile application. The mechanical probe emits at three ultrasound frequencies, 3.5 Mhz, 5.0 Mhz and 7.5 Mhz, which allows the exploration of the interior of the body at different depths in a non-invasive and non-irradiating manner.

Thus, the purpose of the echOpen device is, on one hand, to guide the diagnosis during the clinical examination and, on the other hand, to identify anatomical structures in order to assist in management.

The objective of the clinical investigation is to demonstrate that the echOpen device is able to identify semiological signs and localize anatomical structures at different depths of the body, with a performance not inferior to that of other ultrasound devices, routinely employed in hospital clinical departments.

The signs of interest (i.e. detection of pyelocaliceal dilation (3.5 Mhz) and hepatic steatosis (5.0 Mhz) were chosen for their clinical usefulness (their identification during the clinical examination constitutes an argument for orientation and/or severity) and for their prevalence in the study population.

An ultrasound probe in use in the hospital clinical departments where the investigation takes place will be employed as a comparator to judge the performance of the echOpen device.

This clinical investigation is part of a CE marking procedure.

Condition Hepatic Steatosis, Fatty Liver, Hydronephrosis
Treatment EchOpen ultra-portable ultrasound device, Ultrasound device routinely used in the department, Standard ultrasound examination by an independent referent radiologist
Clinical Study IdentifierNCT05280145
SponsorAssistance Publique - Hôpitaux de Paris
Last Modified on28 January 2023

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